Let's calculate 9989 x 5460
9989 × 5460 = 5460 × (9989)
+ 5460 × 9 that is equal 49140
+ 5460 × 80 that equals 436800
+ 5460 × 900 resulting in 4914000
+ 5460 × 9000 that results in 49140000

= 54539940
